Below are possible answers for the crossword clue Barely perceptible.
5 letter answer(s) to barely perceptible
FAINT
a spontaneous loss of consciousness caused by insufficient blood to the brain
deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc; "a faint outline"; "the wan sun cast faint shadows"; "the faint light of a distant candle"; "weak colors"; "a faint hissing sound"; "a faint aroma"; "a weak pulse"
indistinctly understood or felt or perceived; "a faint clue to the origin of the mystery"; "haven't the faintest idea"
lacking clarity or distinctness;
lacking conviction or boldness or courage; "faint heart ne'er won fair lady"
lacking strength or vigor; "damning with faint praise"; "faint resistance"; "feeble efforts"; "a feeble voice"
pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain
weak and likely to lose consciousness; "suddenly felt faint from the pain"; "was sick and faint from hunger"; "felt light in the head"; "a swooning fit"; "light
7 letter answer(s) to barely perceptible
LIMINAL
of or pertaining to a limen, especially a sensory threshhold.
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